The calculated distance (air line) between Velilla de San Antonio and San Martín de la Vega is approximately 12 miles respectively 19 kilometers.
By car or train, the actual journey to San Martín de la Vega is certainly longer, as only the direct route (as the crow flies) between Velilla de San Antonio and San Martín de la Vega has been calculated here.
Air line (approximately)
19 kilometers
10 nautical miles